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Extensions of the Neural Network Models into Applications and Comparisons with General Linear Models

Description: This dissertation is designed to answer the following questions: (1) Which measurement model is better to contribute to the research model in different areas? (2) Within a given model, how does the data size influence the performance of a neural network (NN) and some other methods? (3) Compared to partial least square (PLS), ordinary least square (OLS), XGBoost, how is the performance of NN? Essay 1 systematically compares PLS-SEM to ANN and builds the hybrid vehicle purchasing intention model… more
Date: August 2021
Creator: Wang, Yuchen
Partner: UNT Libraries

Decision Making in Alternative Modes of Transportation: Two Essays on Ridesharing and Self-Driving Vehicles

Description: This manuscript includes an investigation of decision making in alternative modes of transportation in order to understand consumers' decision in different contexts. In essay 1 of this study, the motives for participation in situated ridesharing is investigated. The study proposes a theoretical model that includes economic benefits, time benefits, transportation anxiety, trust, and reciprocity either as direct antecedents of ridesharing participation intention, or mediated through attitude towa… more
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Date: May 2019
Creator: Amirkiaee, Seyede Yasaman
Partner: UNT Libraries

Measurement of Positive Continuance Intention Drivers within a Service Domain

Description: The contribution of this dissertation is how model measurement allows examination of the balance between what is practical in terms of consumer concerns versus what is optimal in terms of cost control. Essay 1 examines a research framework that incorporates various service recovery strategies and simultaneously evaluates their comparative influences. Essay 2 evaluates the complex interrelationships among different factors related to the post-complaint behavioral process. Essay 3 fills a researc… more
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Date: August 2019
Creator: Harun, Md Ahasan Uddin
Partner: UNT Libraries
open access

Enhancing the Efficacy of Predictive Analytical Modeling in Operational Management Decision Making

Description: In this work, we focus on enhancing the efficacy of predictive modeling in operational management decision making in two different settings: Essay 1 focuses on demand forecasting for the companies and the second study utilizes longitudinal data to analyze the illicit drug seizure and overdose deaths in the United States. In Essay 1, we utilize an operational system (newsvendor model) to evaluate the forecast method outcome and provide guidelines for forecast method (the exponential smoothing m… more
Date: August 2019
Creator: Najmizadehbaghini, Hossein
Partner: UNT Libraries

Three Essays on Phishing Attacks, Individual Susceptibility, and Detection Accuracy

Description: Phishing is a social engineering attack to deceive and persuade people to divulge private information like usernames and passwords, account details (including bank account details), and social security numbers. Phishers typically utilize e-mail, chat, text messages, or social media. Despite the presence of automatic anti-phishing filters, phishing messages reach online users' inboxes. Understanding the influence of phishing techniques and individual differences on susceptibility and detection … more
This item is restricted from view until September 1, 2024.
Date: August 2022
Creator: Bera, Debalina
Partner: UNT Libraries

Three Essays on Information Privacy: Awareness, Sharing, and Resilience

Description: This work embraces three essays on information privacy: 1) Measures of Personal Information Privacy in Social Networks: Information Control and Situation Awareness, 2) Care to Share your Personal Information? and 3) Privacy Breaches: How Resilient Are You? Every transaction made either online or offline, and every social interaction that is transferred or stored electronically in some way, are generally consumed as big data and ultimately drives the analytics from which consumers benefit. Howev… more
Date: August 2021
Creator: Kim, Kevin
Partner: UNT Libraries

Development and Exploration of End-User Healthcare Technology Acceptance Models

Description: This dissertation consists of three studies that collectively investigate the factors influencing the consumer adoption intention towards emerging healthcare technologies. Essay 1 systematically reviews the extent literature on healthcare technology adoption and serves as the theoretical foundation of the dissertation. It investigates different models that have been previously applied to study healthcare technology acceptance. Meta-analysis method is used to quantitatively synthesize the findin… more
Date: May 2021
Creator: Wei, Xinyu "Eddy"
Partner: UNT Libraries

Information Privacy and Security Associated with Healthcare Technology Use

Description: This dissertation consists of three studies that investigate the information privacy & security associated with healthcare technology use. Essay 1 PRISMA-style systematically reviews the existing literature on privacy information disclosure in IoT technology and serves as the theoretical foundation of the current research. It is crucial to comprehend why, how, and under what consequences individuals choose to disclose their personal and health information since doing so is beneficial to the com… more
This item is restricted from view until August 1, 2028.
Date: July 2023
Creator: Amin, M A Shariful
Partner: UNT Libraries
open access

Extensions of the General Linear Model into Methods within Partial Least Squares Structural Equation Modeling

Description: The current generation of structural equation modeling (SEM) is loosely split in two divergent groups - covariance-based and variance-based structural equation modeling. The relative newness of variance-based SEM has limited the development of techniques that extend its applicability to non-metric data. This study focuses upon the extension of general linear model techniques within the variance-based platform of partial least squares structural equation modeling (PLS-SEM). This modeling procedu… more
Date: August 2016
Creator: George, Benjamin Thomas
Partner: UNT Libraries

Three Essays on the Role of Social, Legal and Technical Factors on Internet of Things and Smart Contracts Adoption in the Context of COVID-19 Pandemic

Description: I extended and adapted the current technology acceptance models and privacy research to the peculiar context of the COVID-19 pandemic to ascertain the effective "power" of IT in fighting such a pandemic. The research models developed for the purpose of this study contain peculiar modifications to the technological-personal-environmental (TPE) framework and privacy calculus model because of the unique technologies implemented and the peculiar pandemic scenario. I developed three studies that inv… more
This item is restricted from view until June 1, 2027.
Date: May 2022
Creator: Guerra, Katia
Partner: UNT Libraries

Three Essays on Artificial Intelligence Adoption and Use

Description: Artificial intelligence (AI) is quickly transforming business operations and society, as AI capabilities are incorporated into applications ranging from mobile personal assistants to self-driving cars. The potentially disruptive nature of AI calls for an extensive investigation into all aspects of AI-human interactions at individual, group, organizational and market levels. However, there is paucity of academic information systems (IS) research in this area that goes beyond the development and … more
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Date: August 2019
Creator: Nguyen, Quynh
Partner: UNT Libraries
open access

Three Essays on Social Media: the Effect of Motivation, Participation, and Sentiment on Performance

Description: In recent years, social media has experienced tremendous growth in the number of users. Facebook alone has more than 1.3 billion active users and Twitter has attracted over 600 million active users. Social media has significantly changed the way humans communicate. Many people use social media to keep in touch with family and friends and receive up-to-date information about what happens around the world. Politicians are using social media to support their campaigns. Use of social media is not r… more
Date: August 2015
Creator: Salehan, Mohammad
Partner: UNT Libraries

A social capital perspective on IT professionals' work behavior and attitude.

Description: Abstract Attracting and developing information technology (IT) professionals is one of the top concerns for companies. Although much research has been conducted about the job behavior and attitudes of IT professionals over the last three decades, findings are inconclusive and contradictory. This suggests that something may be missing in how we examine this phenomenon. Most of this research is drawn from theories of motivation, very little examines the effect of social relationships on IT prof… more
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Date: August 2006
Creator: Zhang, Lixuan
Partner: UNT Libraries
open access

General Deterrence Theory: Assessing Information Systems Security Effectiveness in Large versus Small Businesses

Description: This research sought to shed light on information systems security (ISS) by conceptualizing an organization's use of countermeasures using general deterrence theory, positing a non-recursive relationship between threats and countermeasures, and by extending the ISS construct developed in prior research. Industry affiliation and organizational size are considered in terms of differences in threats that firms face, the different countermeasures in use by various firms, and ultimately, how a firm'… more
Date: May 2009
Creator: Schuessler, Joseph H.
Partner: UNT Libraries
open access

Impact of Forecasting Method Selection and Information Sharing on Supply Chain Performance.

Description: Effective supply chain management gains much attention from industry and academia because it helps firms across a supply chain to reduce cost and improve customer service level efficiently. Focusing on one of the key challenges of the supply chains, namely, demand uncertainty, this dissertation extends the work of Zhao, Xie, and Leung so as to examine the effects of forecasting method selection coupled with information sharing on supply chain performance in a dynamic business environment. The r… more
Date: December 2009
Creator: Pan, Youqin
Partner: UNT Libraries

Does Quality Management Practice Influence Performance in the Healthcare Industry?

Description: This research examines the relationship between quality management (QM) practices and performance in the healthcare industry via the conduct of three studies. The results of this research contribute both to advancing QM theory as well as in developing a unique text mining method that is illustrated by examining QM in the healthcare industry. Essay 1 explains the relationship between operational performance and QM practices in the healthcare industry. This study analyzed the findings from the li… more
Date: August 2020
Creator: Xie, Heng
Partner: UNT Libraries
open access

The Relationship Between Data Visualization and Task Performance

Description: We are entering an era of business intelligence and big data where simple tables and other traditional means of data display cannot deal with the vast amounts of data required to meet the decision-making needs of businesses and their clients. Graphical figures constructed with modern visualization software can convey more information than a table because there is a limit to the table size that is visually usable. Contemporary decision performance is influenced by the task domain, the user exp… more
Date: December 2014
Creator: Phillips, Brandon
Partner: UNT Libraries

Three Essays on Social Media Use and Information Sharing Behavior

Description: Social media platforms create rich social structures, expand users' boundaries of social networks and revolutionize traditional forms of communications, social interactions and social relationships. These platforms not only facilitate the creation and sharing of news and information, but they also drive various kinds of businesses models, processes and operations, knowledge sharing, marketing strategies for brand management and socio-political discourses essential for healthy and democratic fun… more
Date: May 2021
Creator: Bhagat, Sarbottam
Partner: UNT Libraries

Propensity for knowledge sharing: An organizational justice perspective.

Description: Converting individual knowledge into organizational knowledge can be difficult because individuals refuse to share knowledge for a number of different reasons. Creating an atmosphere of fairness plays an important role in the creation of a knowledge-sharing climate. This dissertation proposes that perceptions of organizational justice are crucial building blocks of that environment, leading to knowledge sharing. Data was collected using a field survey of IT managers representing a broad spectr… more
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Date: August 2006
Creator: Ibragimova, Bashorat
Partner: UNT Libraries
open access

The Impact of Quality on Customer Behavioral Intentions Based on the Consumer Decision Making Process As Applied in E-commerce

Description: Perceived quality in the context of e-commerce was defined and examined in numerous studies, but, to date, there are no consistent definitions and measurement scales. Instruments that measure quality in e-commerce industries primarily focus on website quality or service quality during the transaction and delivery phases. Even though some scholars have proposed instruments from different perspectives, these scales do not fully evaluate the level of quality perceived by customers during the entir… more
Date: August 2012
Creator: Wen, Chao
Partner: UNT Libraries
open access

Comparing Latent Dirichlet Allocation and Latent Semantic Analysis as Classifiers

Description: In the Information Age, a proliferation of unstructured text electronic documents exists. Processing these documents by humans is a daunting task as humans have limited cognitive abilities for processing large volumes of documents that can often be extremely lengthy. To address this problem, text data computer algorithms are being developed. Latent Semantic Analysis (LSA) and Latent Dirichlet Allocation (LDA) are two text data computer algorithms that have received much attention individually… more
Date: December 2011
Creator: Anaya, Leticia H.
Partner: UNT Libraries

Quantitative Modeling of Healthcare Services and Biodegradable Medical Supplies

Description: This research presents a mathematical model for the transportation and distribution of COVID-19 vaccine, a simulation model for fleet optimization, and a measurement model for "Healthcare 4.0." Essay 1 examines the development of a distribution model using mixed integer programming (MIP) with the objective of maximizing the number of vaccinated individuals, minimizing transportation costs across the entire network, and ensuring widespread access. This research primarily focuses on the distribu… more
This item is restricted from view until August 1, 2028.
Date: July 2023
Creator: Kumar, Abhijeet
Partner: UNT Libraries

Three Essays on Collective Privacy and Information Security

Description: In Essay 1, we seek to expand the insights on an individual's decision to share group content. Social networking sites (SNS) have become a ubiquitous means of socializing in the digital age. Using a survey, we collected data from 520 respondents with corporate work experience to test our research model. Our analysis highlights the complex interplay between individual and group factors that shape users' risk-benefit analysis of sharing group content on social networking sites. Furthermore, the r… more
This item is restricted from view until August 1, 2024.
Date: July 2023
Creator: Memarian Esfahani, Sara
Partner: UNT Libraries

Optimizing Production System Maintenance Policies when Cyber Threats are Considered

Description: In a production environment, physical and cyber-related failures become unavoidable because of the complexity of highly connected manufacturing systems and a finite equipment life cycle. The main purpose of this thesis is to investigate optimal maintenance outsourcing and replacement policies in the presence of cyber-threats, as well as policies to achieve channel coordination via cost subsidization. Although well-developed maintenance outsourcing literature has addressed many advanced and tren… more
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Date: August 2019
Creator: Ta, Anh V
Partner: UNT Libraries
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